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fix(pt): fix CMake compatibility with PyTorch 2.8 #4891

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Merged
njzjz merged 1 commit into from
Aug 18, 2025
Merged

fix(pt): fix CMake compatibility with PyTorch 2.8 #4891

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10 changes: 9 additions & 1 deletion source/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -373,7 +373,15 @@ if(ENABLE_PYTORCH AND NOT DEEPMD_C_ROOT)
else()
# Maybe in macos/windows
if(NOT DEFINED OP_CXX_ABI)
set(OP_CXX_ABI 0)
if(UNIX
AND NOT APPLE
AND Torch_VERSION VERSION_GREATER_EQUAL "2.8.0")
# https://github.com/deepmodeling/deepmd-kit/issues/4877
# torch.compiled_with_cxx11_abi in PyTorch 2.8 always return True
set(OP_CXX_ABI 1)
else()
set(OP_CXX_ABI 0)
endif()
endif()
set(OP_CXX_ABI_PT "${OP_CXX_ABI}")
endif()
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